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The transition metal materials have good performance, such as long luminescent life and single color.
过渡金属配合物发光材料的发光寿命长、单色性好。
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The life of figure, such as pine crane live that long life;
百寿图，松鹤延年等表明长命；
youdao
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The life of figure, such as pine crane live that long life;
百寿图，松鹤延年等表明长命；
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